private async Task HandleContextAsync(HttpListenerContext listenerContext)
{
string requestBody = String.Empty;
try
{
// read body
using (var receiveStream = listenerContext.Request.InputStream)
using (StreamReader readStream = new StreamReader(receiveStream, Encoding.UTF8))
{
requestBody = readStream.ReadToEnd();
}
// parse url
List <string> tokens = new List <string>
{
listenerContext.Request.HttpMethod
};
tokens.AddRange(listenerContext.Request.RawUrl.Split(new string[] { "/" }, StringSplitOptions.RemoveEmptyEntries));
ApiResponse response = routingTree.Route(tokens, requestBody);
// write log if bad result and necessary
if (response.Status != HttpStatusCode.OK && isLogNotOKResponses)
{
WriteError("DEBUG",
String.Format("StatusCode: {0}. Body: {1}",
response.Status,
response.Body),
listenerContext.Request.RawUrl,
requestBody);
}
// send response
listenerContext.Response.StatusCode = (int)response.Status;
using (var writer = new StreamWriter(listenerContext.Response.OutputStream))
{
writer.Write(response.Body);
}
}
catch (Exception error)
{
// close connection
listenerContext.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
listenerContext.Response.Close();
// write log
WriteError("FATAL",
String.Format("Method: [{0}.{1}()]. Message: {2}",
error.TargetSite.DeclaringType,
error.TargetSite.Name,
error.Message),
listenerContext.Request.RawUrl,
requestBody);
}
}
public void RoutingTestMethod()
{
// arrange
RoutingTree routingTree = new RoutingTree();
string endpoint = "123.4.5.6:7070";
string timestampString = "2017-01-22T15:11:12Z";
DateTime timestamp = DateTime.Parse(timestampString).ToUniversalTime();
string name = "player1";
string requestBody = "someBody";
int[,] countMatrix = new int[, ]
{
{ -1, 0 },
{ 100, 50 },
{ 27, 27 }
};
routingTree.AddRule(
"PUT/servers/?endpoint/info",
param =>
{
Assert.AreEqual(endpoint, param["?endpoint"]);
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
routingTree.AddRule(
"PUT/servers/?endpoint/matches/?timestamp",
param =>
{
Assert.AreEqual(endpoint, param["?endpoint"]);
Assert.AreEqual(timestamp, param["?timestamp"]);
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
routingTree.AddRule(
"GET/servers/info",
param =>
{
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
routingTree.AddRule(
"GET/servers/?endpoint/info",
param =>
{
Assert.AreEqual(endpoint, param["?endpoint"]);
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
routingTree.AddRule(
"GET/servers/?endpoint/stats",
param =>
{
Assert.AreEqual(endpoint, param["?endpoint"]);
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
routingTree.AddRule(
"GET/servers/?endpoint/matches/?timestamp",
param =>
{
Assert.AreEqual(endpoint, param["?endpoint"]);
Assert.AreEqual(timestamp, param["?timestamp"]);
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
routingTree.AddRule(
"GET/players/?name/stats",
param =>
{
Assert.AreEqual(name, param["?name"]);
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
routingTree.AddRule(
"GET/reports/recent-matches/?count",
param =>
{
Assert.AreEqual(countMatrix[0, 1], param["?count"]);
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
routingTree.AddRule(
"GET/reports/best-players/?count",
param =>
{
Assert.AreEqual(countMatrix[1, 1], param["?count"]);
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
routingTree.AddRule(
"GET/reports/popular-servers/?count",
param =>
{
Assert.AreEqual(countMatrix[2, 1], param["?count"]);
Assert.AreEqual(requestBody, param["requestBody"]);
return(new ApiResponse());
});
// act
string[] urls = new string[]
{
"PUT/servers/" + endpoint + "/info",
"PUT/servers/" + endpoint + "/matches/" + timestampString,
"GET/servers/info",
"GET/servers/" + endpoint + "/info",
"GET/servers/" + endpoint + "/stats",
"GET/servers/" + endpoint + "/matches/" + timestampString,
"GET/players/" + name + "/stats",
"GET/reports/recent-matches/" + countMatrix[0, 0],
"GET/reports/best-players/" + countMatrix[1, 0],
"GET/reports/popular-servers/" + countMatrix[2, 0]
};
// assert
foreach (var url in urls)
{
Assert.AreEqual(HttpStatusCode.OK, routingTree.Route(url, requestBody).Status);
}
}
